CN103392161A - User input back channel for wireless displays - Google Patents
User input back channel for wireless displays Download PDFInfo
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- CN103392161A CN103392161A CN2012800105483A CN201280010548A CN103392161A CN 103392161 A CN103392161 A CN 103392161A CN 2012800105483 A CN2012800105483 A CN 2012800105483A CN 201280010548 A CN201280010548 A CN 201280010548A CN 103392161 A CN103392161 A CN 103392161A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/613—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for the control of the source by the destination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/756—Media network packet handling adapting media to device capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/764—Media network packet handling at the destination
Abstract
As part of a communication session, a wireless source device can transmit audio and video data to a wireless sink device, and the wireless sink device can transmit user input data received at the wireless sink device back to the wireless source device. In this manner, a user of the wireless sink device can control the wireless source device and control the content that is being transmitted from the wireless source device to the wireless sink device.
Description
The application requires the rights and interests of following U.S. Provisional Application:
The U.S. Provisional Application No.61/435 that submits on January 21st, 2011,194;
The U.S. Provisional Application No.61/447 that submits on February 28th, 2011,592;
The U.S. Provisional Application No.61/448 that submits on March 2nd, 2011,312;
The U.S. Provisional Application No.61/450 that submits on March 7th, 2011,101;
The U.S. Provisional Application No.61/467 that submits on March 25th, 2011,535;
The U.S. Provisional Application No.61/467 that submits on March 25th, 2011,543;
The U.S. Provisional Application No.61/514 that submits on August 3rd, 2011,863;
The U.S. Provisional Application No.61/544 that submits on October 7th, 2011,475;
Incorporate the full content of above-mentioned provisional application into this paper with way of reference.
Technical field
Present disclosure relates to for send the technology of data between radio source device and wireless host device.
Background technology
Wireless Display (WD) or Wi-Fi show that (WFD) system comprises radio source device and one or more wireless host device.Source device and each host device can be mobile device or the wireline equipments with wireless communication ability.For example, one or more in source device and host device can comprise that mobile phone, the portable computer with wireless communication card, PDA(Personal Digital Assistant), portable electronic device or other have this equipment of wireless communication ability, comprising the Wireless Telecom Equipment of radio display, video game device or other type of so-called " intelligence " phone and " intelligence " flat board or panel computer, electronic reader or any type.One or more in source device and host device can also comprise the wireline equipment with communication capacity, such as TV, desk-top computer, monitor, projector etc.
Source device sends media datas (such as audio frequency and video (AV) data) to the one or more host devices in the host device that participates in the shared session of specific medium.Can carry out playback to media data in each the display place in the display of the local display of source device and host device.More properly, each host device in the host device that participates in presents the media data that receives on its screen and audio frequency apparatus.
Summary of the invention
Present disclosure has briefly been described the system that wireless host device therein can communicate with wireless host device.As the part of communication session, radio source device can send the Voice ﹠ Video data to wireless host device, and wireless host device can send it back radio source device with the user's input that receives at this wireless host device place.By this way, the user of wireless host device can control radio source device and can control the content that sends to wireless host device from radio source device.
In one example, a kind of method that sends user input data from wireless host device to radio source device comprises: in described wireless host device, obtain user input data; Generate the payload data of describing described user input data; Generation comprises the packet of data packet header and described payload data; And to described radio source device, send described packet.
In another example, a kind of wireless host device is configured to send user input data to radio source device.Described wireless host device comprises: the storer of storage instruction; Be configured to carry out one or more processors of described instruction, wherein, after carrying out described instruction, described one or more processors make: obtain user input data at described wireless host device place; Generate the payload data of describing described user input data; Generation comprises the packet of data packet header and described payload data.Described wireless host device also comprises for send the transmission unit of described packet to described radio source device.
In another example, a kind of computer-readable recording medium storage instruction, after described instruction is carried out by one or more processors, make described one or more processor carry out the method that sends user input data from wireless host device to radio source device.Described method comprises: obtain user input data at described wireless host device place; Generate the payload data of describing described user input data; Generation comprises the packet of data packet header and described payload data; And to described radio source device, send described packet.
In another example, a kind of wireless host device is configured to send user input data to radio source device.Described wireless host device comprises: the module that is used for obtaining at described wireless host device place user input data; Be used for generating the module of the payload data of describing described user input data; Be used for generating the module of the packet that comprises data packet header and described payload data; And the module that is used for sending to described radio source device described packet.
In another example, a kind of method of inputting data from wireless host device reception at the radio source device place comprises: from described wireless host device, receive packet, wherein, described packet comprises data packet header and payload data, wherein, described payload data comprises the data of the details of describing user's input; Described packet is resolved, to determine the input type value in the input type field in described payload data; And based on described input type value, the described data of the details of describing described user input are processed.
In another example, a kind of radio source device is configured to receive user input data from wireless host device.Described radio source device comprises: transmission unit, it is used for receiving packet from described wireless host device, and wherein, described packet comprises data packet header and payload data, wherein, described payload data comprises the data of the details of describing user's input; The storer of storage instruction; And the one or more processors that are configured to carry out described instruction, wherein, after carrying out described instruction, described one or more processors make: described packet is resolved, to determine the input type value in the input type field in described payload data; And based on described input type value, the described data of the details of describing described user input are processed.
In another example, a kind of computer-readable recording medium storage instruction, after described instruction is carried out by one or more processors, make described one or more processor carry out the method that receives user input data at the radio source device place from wireless host device.Described method comprises: receive packet from described wireless host device, wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input; Described packet is resolved, to determine the input type value in the input type field in described payload data; And based on described input type value, the described data of the details of describing described user input are processed.
In another example, a kind of radio source device is configured to receive user input data from wireless host device.Described radio source device comprises: be used for receiving from described wireless host device the module of packet, wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input; Be used for described packet is resolved, to determine the module of the input type value in the input type field in described payload data; And be used for the module of the described data of the details of describing described user's input being processed based on described input type value.
Description of drawings
Figure 1A is the block diagram of the example of source that the technology that can realize present disclosure is shown/place system.
Figure 1B is the block diagram that the example of source with two host devices/place system is shown.
Fig. 2 shows the example of the source device of the technology that can realize present disclosure.
Fig. 3 shows the example of the host device of the technology that can realize present disclosure.
Fig. 4 shows the transmitter system of the technology that can realize present disclosure and the block diagram of receiver system.
Fig. 5 A and 5B show according to the technology of present disclosure and are used for the example message transmission sequence that executive capability is consulted.
Fig. 6 shows the sample data grouping that can be used for sending to source device the user input data that obtains at the host device place.
Fig. 7 A and 7B are the process flow diagrams that the technology of the present disclosure that can be used for the capability negotiation between source device and host device is shown.
Fig. 8 A and 8B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of user input data.
Fig. 9 A and 9B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of user input data.
Figure 10 A and 10B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of timestamp information and user input data.
Figure 11 A and 11B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of timestamp information and user input data.
Figure 12 A and 12B illustrate can be used for sending and receiving and comprise the process flow diagram of technology of present disclosure of the packet of voice command.
Figure 13 A and 13B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of multiple point touching user input command.
Figure 14 A and 14B illustrate can be used for sending and receiving and have the process flow diagram of technology of present disclosure of the packet of the user input data that forwards from third party device.
Figure 15 A and 15B are the process flow diagrams that the technology of the present disclosure that can be used for transmits and receive data divides into groups is shown.
Embodiment
Present disclosure has briefly been described the system that wireless host device can communicate with wireless host device.As the part of communication session, radio source device can send the Voice ﹠ Video data to wireless host device, and wireless host device can send it back this radio source device with the user's input that receives at this wireless host device place.By this way, the user of wireless host device can control radio source device, and can control the content that sends to wireless host device from radio source device.
Figure 1A is the block diagram of exemplary source that the one or more technology in the technology that can realize present disclosure are shown/place system 100.As shown in Figure 1A, system 100 comprises the source device 120 that communicates via communication channel 150 and host device 160.Source device 120 can comprise that storer, display 122, loudspeaker 123, the audio/video encoder 124(of storing audio/video (A/V) data 121 are also referred to as scrambler 124), audio/video control module 125 and emittor/receiver (TX/RX) unit 126.Host device 160 can comprise that display 162, loudspeaker 163, audio/video decoder 164(are also referred to as demoder 164), emittor/receiver unit 166, user input (UI) equipment 167 and user's input processing module (UIPM) 168.Shown assembly only forms an example arrangement of source/place system 100.Other configuration can comprise than shown those assemblies still less assembly or can comprise other assembly outside shown those assemblies.
In the example of Figure 1A, source device 120 can show the video section of audio/video data 121 on display 122, and can be on loudspeaker 123 audio-frequency unit of output audio/video data 121.Audio/video data 121 can this locality be stored on source device 120, from exterior storage medium (such as file server, hard disk drive, external memory storage, Blu-ray Disc, DVD or other physical storage medium) access or can connect stream transmission to source device 120 via the network such as the Internet.In some cases, can audio/video data 121 be caught in real time via camera and the microphone of source device 120.Audio/video data 121 can comprise the content of multimedia such as film, TV programme or music, but can also comprise the real time content that is generated by source device 120.For example, this real time content can be to be produced by the application that operates on source device 120, or the video data that the captures part of video-phone session (for example as).As will be in greater detail, in some cases, this real time content can comprise can input for the user that the user selects the frame of video of option.In some cases, audio/video data 121 can comprise the frame of video of the combination of dissimilar content, such as the frame of video that has user on the frame of video of covering and input the movie or television program of option.
Except via display 122 with loudspeaker 123 is local presents audio/video data 121, the audio/video encoder 124 of source device 120 can be encoded to audio/video data 121, and emittor/receiver unit 126 can send encoded data to host device 160 on communication channel 150.The emittor/receiver unit 166 of host device 160 receives these encoded data, and 164 pairs of this encoded decoding datas of audio/video decoder, and via display 162 and loudspeaker 163 outputs the data through decoding.By this way, the Voice ﹠ Video data that presented by display 122 and loudspeaker 123 can be presented by display 162 and loudspeaker 163 simultaneously.Voice data and video data can be arranged in frame, and when being current, audio frame can be synchronizeed with video frame time.
Audio/video encoder 124 and audio/video decoder 164 can realize the Voice ﹠ Video compression standard of any amount, such as ITU-T H.264 standard (perhaps being called MPEG-4, part 10), advanced video coding (AVC) or emerging high-level efficiency video coding (HEVC) standard (being sometimes referred to as H.265 standard).Can also use the privately owned or standardized compress technique of many other types.Generally speaking, audio/video encoder 164 is configured to carry out the reciprocity encoding operation of audio/video encoder 124.Although not shown in Figure 1A, but in some respects, A/V scrambler 124 and A/V demoder 164 all can be integrated with audio coder and demoder, and can comprise suitable MUX-DEMUX(multiplexing-demultiplexing) unit or other hardware and software, to process the coding both of the Voice ﹠ Video in common data stream or separate data stream.
Will more describe in detail as following, except realizing video compression standard as above, A/V scrambler 124 can also be carried out other encoding function.For example, before A/V data 121 were sent to host device 160, A/V scrambler 124 can add various types of metadata to A/V data 121.In some cases, can A/V data 121 be stored in source device 120 or at source device 120 places, receive A/V data 121 with the form of coding, thereby need to further do not compressed by A/V scrambler 124.
Although Figure 1A shows the communication channel 150 of carrying separately audio frequency payload data and video payload data, should be understood that, in some cases, video payload data and audio frequency payload data can be the parts of common data stream.If applicable, ITU H.223 multiplexer agreement or other agreement such as User Datagram Protoco (UDP) (UDP) can be followed in the MUX-DEMUX unit.Audio/video encoder 124 and audio/video decoder 164 all can be implemented as one or more microprocessors, digital signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA), discreet logic device, software, hardware, firmware or its combination in any.Each in audio/video encoder 124 and audio/video decoder 164 can be included in one or more scramblers or demoder, can be with wherein any one is integrated into the part of the encoder/decoder (CODEC) of combination.Therefore, each in source device 120 and host device 160 can comprise the custom-built machine of the one or more technology in the technology that is configured to carry out present disclosure.
Loudspeaker 123 can comprise any in various audio output apparatus, such as headphone, single speaker system, multi-loudspeaker system or ambiophonic system.In addition, although display 122 and loudspeaker 123 are shown the part of source device 120 and display 162 and loudspeaker 163 are shown the part of host device 160, in fact source device 120 and host device 160 can be device systems.As an example, display 162 can be televisor, and loudspeaker 163 can be ambiophonic system, and demoder 164 can be a part that is connected to the outer container of display 162 and loudspeaker 163 wired or wirelessly.In other cases, host device 160 can be the individual equipment such as panel computer or smart phone.In other cases, source device 120 and host device 160 are similar equipment, for example, are all both smart mobile phone, panel computer etc.In this situation, an equipment can be used as source and operates, and another equipment can be used as place, operates.In follow-up communication session, these roles can even reverse.In other cases, source device can comprise the mobile device such as smart phone, laptop computer or panel computer, and host device (for example can comprise more static equipment, has ac power cable), in this case, source device can transmit the Voice ﹠ Video data in order to larger crowd, present via host device.
Emittor/receiver unit 126 and emittor/receiver unit 166 all can comprise various frequency mixer, wave filter, amplifier and be designed for other assembly of signal modulation, and one or more antenna and be designed for other assembly that transmits and receive data.Communication channel 150 ordinary representations are used for any suitable communication media of the 160 transmission video datas from source device 120 to host device or the set of different communication medium.The normally relatively short-range communication channel of communication channel 150, be similar to Wi-Fi, bluetooth etc.Yet communication channel 150 also is not necessarily limited in this respect, and can comprise any wireless or wired communication media (such as radio frequency (RF) frequency spectrum or one or more physical transmission line) or wireless and combination in any wire medium.In other example, communication channel 150 even can form the part of packet-based network (such as wired or wireless LAN (Local Area Network), wide area network or such as the global network of the Internet).In addition, communication channel 150 can be used for creating peer link by source device 120 and host device 160.Source device 120 and host device 160 can use the communication protocol such as the standard from IEEE802.11 standard family to communicate on communication channel 150.For example, source device 120 and host device 160 can standard direct according to Wi-Fi communicate, and make source device 120 with host device 160 in the situation that do not use such as the medium of WAP or so-called focus and directly communicate by letter each other.Source device 120 and host device 160 can also be set up the tunnel type direct link and set up (TLDS) to avoid or to reduce network congestion.Sometimes can describe with reference to Wi-Fi the technology of present disclosure, but what should imagine is that the each side of these technology can also be compatible with other communication protocol.By way of example and infinite mode, the radio communication between source device 120 and host device can be used orthogonal frequency division multiplexi (OFDM) technology.Also can use various other wireless communication technologys, include but not limited to the combination in any of time division multiple access (TDMA) (TDMA), frequency division multiple access (FDMA), CDMA (CDMA) or OFDM, FDMA, TDMA and/or CDMA.WiFi directly is intended to set up relative short-range communication session with TDLS.In this context, relatively short distance for example can refer to less than 70 meters, although in noisy or the environment that stops, the distance between equipment even may be shorter, such as less than 35 meters.
Except the decoding data to from source device 120, receiving with presenting, host device 160 can also receive user's input from user input device 167.For example, user input device 167 can be keyboard, mouse, trace ball or track pad, touch-screen, voice command recognition module or any other this user input device.UIPM will be formatted into the data packet structure that source device 120 can be explained by user's input command that user input device 167 receives.On communication channel 150, these packets are sent to source device 120 by emittor/receiver 166.Emittor/receiver unit 126 receives this packet, and 125 pairs of these packets of A/V control module resolve to explain the user's input command that is received by user input device 167.Based on the order that receives in packet, A/V control module 125 can change the content of encoding and sending.By this way, the user of host device 160 can remotely control the audio frequency payload data and the video payload data that are sent by source device 120, and directly with source device 120, does not carry out alternately.The example of the type of the order that the user of host device 160 can send to source device 120 comprises be used to refunding, the order of F.F., time-out and audio plays and video data, and the order that is used for convergent-divergent, rotation, rolling etc.For example, the user can also select from options menu, and this selection is sent it back source device 120.
In addition, the user of host device 160 can start and control the application on source device 120.For example, the user of host device 160 can start the photo editing application that is stored on source device 120, and uses this application to edit the photo that this locality is stored on source device 120.Host device 160 can present and seem and be sensuously that the user who on host device 160, picture is carried out local editor experiences to the user, and be actually on source device 120, picture is edited.Use such configuration, the equipment user can be used for some equipment with the ability of an equipment.For example, source device 120 can be the smart phone with a large amount of storeies and high-end processing power.The user of source device 120 can use this smart phone in common all settings used of smart phone and situation.Yet when watching film, the user may wish to watch film on having than the equipment of large display screen, and in this case, host device 160 can be panel computer or or even larger display device or televisor.When wanting transmission or reply email, the user may wish to use the equipment with keyboard, and in this case, host device 160 can be laptop computer.In above-mentioned two situations, although the user carries out alternately with host device, most of processing can be still smart phones by source device 120(in this example) carry out.In this specific operation context, because the great majority operation is carried out by source device 120, if therefore require host device 160 to carry out the processing of just by source device 120, being undertaken, host device 160 can be to have the equipment of the lower cost of less resource by contrast.In some instances, source device and host device both can both be accepted user input (such as the touch-screen order), and the technology of present disclosure can by in any given session, the ability of equipment is held consultation and or identification promote two-way interactive.
In some configurations, A/V control module 125 can be the operating system process of just by the operating system of source device 125, being carried out.Yet in other configuration, A/V control module 125 can be the software process that operates in the application on source device 120.In this configuration, user's input command can be made an explanation by software process, so that the user of host device 160 directly carries out with the operating system that operates in the application on source device 120 rather than operate on source device 120 alternately.By directly and application rather than operating system carry out alternately, the user of host device 160 can Internet access not be the command library of operating system this locality of source device 120.In addition, directly carry out alternately can be so that the equipment that order can be running on different platform more easily sends and processes with application.
In some cases, may there is mismatch between the user's input interface at source device 120 and host device 160 places.Experience in order to solve the potential problems that caused by this mismatch and to promote in these cases good user, can before setting up communication session or in each moment of running through communication session, carry out user's input interface capability negotiation between source device 120 and host device 160.As the part of this negotiations process, source device 120 and host device 160 can be reached an agreement with regard to the screen resolution of consulting.When host device 160 sent the coordinate data that is associated with user's input, host device 160 can be carried out convergent-divergent to the coordinate data that obtains from display 162, to mate the screen resolution of being consulted.In one example, if host device 160 has the resolution of 1280x720, and source device 120 has the resolution of 1600x900, and equipment can for example use the resolution of 1280x720 as its negotiation.Although can also use other resolution of the resolution of source device 120 or some, can select the resolution of consulting based on the resolution of host device 160.In the example of the host device of using 1280x720, host device 160 can be before sending coordinate to source device 120, carry out convergent-divergent take 1600/1280 as x coordinate that factor pair was obtained, and similarly, host device 160 can before to source device 120, sending coordinate, be carried out convergent-divergent with 900/720 pair of y coordinate that is obtained.In other configuration, source device 120 can zoom to the resolution of consulting with the coordinate that obtains.Carry out convergent-divergent and can be based on host device 160 and whether use the resolution display higher than source device 120, increase or reduce coordinate range, or vice versa.
In addition, in some instances, the resolution at host device 160 places may change during communication session, thereby causes potentially the mismatch between display 122 and display 162.Experience and guarantee that suitable function, source/place system 100 can be used for the normalized technology of screen by realization and realize for the technology that reduces or prevent the user interactions mismatch in order to improve the user.The display 122 of source device 120 and the display 162 of host device 160 can have different resolution and/or different aspect ratios.In addition, in some arrange, the user of host device 160 can have the ability of adjusting the display window size for the video data that receives from source device 120, so that present the video data that receives from source device 120 in covering is less than whole window of display 162 of host device 160.In another kind of example arranged, the user of host device 160 can have the selection with transverse mode or vertical pattern view content, and every kind of pattern has unique coordinate and different aspect ratios.In these cases, possibly can't be by source device 120 in the situation that do not modify and process coordinate for the coordinate (such as the coordinate of mouse click or touch event nidus) that is associated with the user's input that receives at host device 160 places.Therefore, the technology of present disclosure can comprise that the coordinate of the user's input that will receive at host device 160 places is mapped to the coordinate that is associated with source device 120.In this article, this mapping also is called normalization, and below will carry out more detailed explanation to this mapping, this mapping can be based on place or based on source.
The user's input that is received by host device 160 can receive (for example, in driver layer) by UI module 167, and is delivered to the operating system of host device 160.Operating system on host device 160 can receive and at display surface, the coordinate (x that the user input is associated occur
SINK, y
SINK).In this example, (x
SINK, y
SINK) can be the coordinate that the display 162 at mouse click or touch event place occurs.Be presented on the x-coordinate length (L that the display window on display 162 can have the size of describing this display window
DW) and y-coordinate width (W
DW).This display window can also have the upper left corner coordinate (a of the position of describing this display window
DW, b
DW).Based on L
DW, W
DWAnd top-left coordinates (a
DW, b
DW), can determine the part that the shown window of display 162 covers.For example, the upper right corner of display window can be positioned at coordinate (a
DW+ L
DW, b
DW), the lower left corner of display window can be positioned at coordinate (a
DW+ L
DW, b
DW+ W
DW), and the lower right corner of display window can be positioned at coordinate (a
DW+ L
DW, b
DW+ W
DW).Receive if input is the coordinate place in display window, host device 160 can be inputted this input to process as UIBC.In other words, if meet following condition, can with coordinate (x
SINK, y
SINK) input that is associated as UIBC input process:
a
DW≤x
SINK≤a
DW+L
DW （1）
b
DW≤y
SINK≤b
DW+W
DW （2）
After definite user's input was the UIBC input, before being sent to source device 120, UIPM168 can carry out normalization to the coordinate that is associated with this input.The input that is determined to be outside display window can be processed as non-UIBC input by host device 160 this locality.
As mentioned above, the normalization of input coordinate can be based on source or based on place.When the normalization that realizes based on source, the display resolution (L that source device 120 can be supported display 122
SRC, W
SRC) together with video data or be independent of video data transmitting and deliver to host device 160.For example, the display resolution supported can be sent as the part of capability negotiation session or can be during communication session another constantly send.Host device 160 can be determined the display resolution (L of display 162
SINK, W
SINK), show the display window resolution (L of the window of the content that receives from source device 120
DW, W
DW) and the upper left corner coordinate (a of this display window
DW, b
DW).As mentioned above, when determining to input corresponding coordinate (x with the user
SINK, y
SINK) in display window the time, the operating system of host device 160 can use transfer function with coordinate (x
SINK, y
SINK) be mapped to source coordinate (x
SRC, y
SRC).Be used for (x
SINK, y
SINK) convert (x to
SRC, y
SRC) the example transfer function can be as follows:
x
SRC=（x
SINK-a
DW）*（L
SRC/L
DW） （3）
y
SRC=（y
SINK-b
DW）*（W
SRC/W
DW） （4）
Therefore, when the user of send and receive inputs corresponding coordinate time, host device 160 can be sent in (x
SINK, y
SINK) coordinate (x of the user input locating to receive
SRC, y
SRC).Will more describe in detail as following, for example, can be with coordinate (x
SRC, y
SRC) as a part that is used on UIBC being sent in to source device 120 packet of user's input that host device 160 places receive, send.Run through the other parts that input coordinate are described as being included in the present disclosure in packet, as top in source/place system 100, realize, based on described in the normalized example of place, those coordinate conversion can be become the source coordinate.
When source/place system 100 realizes based on the normalization of place, for determining it is that UIBC input rather than the local user who inputs input (namely, in display window rather than outside display window), can be at source device 120 places rather than the calculating on host device 160 places carry out.In order to promote these calculating, host device 160 can send L to source device 120
DW, W
DWValue and positional information (for example, a of display window
DW, b
DW), and (x
SINK, y
SINK) coordinate.Use these values that sends, source device 120 can be determined (x according to top formula 3 and 4
SRC, y
SRC) value.
In normalized other based on place realized, host device 160 can send to be described user's incoming event and occurs in the coordinate (x of user's input that position in display window rather than user's incoming event occur in the position on display 162
DW, y
DW).In such realization, can be with coordinate (x
DW, y
DW) together with (L
DW, W
DW) value send to source device 120.Based on the value of these receptions, source device 120 can be determined (x according to following transfer function
SRC, y
SRC):
x
SRC=x
DW*（L
SRC/L
DW） （5）
y
SRC=y
DW* (W
SRC/ W
DW) (6) host device 160 can determine x based on lower array function
DWAnd y
DW:
x
DW=x
SINK-a
DW （7）
y
DW=y
SINK-b
DW （8）
Describe and for example send the coordinate time that is associated with user's input in packet when present disclosure, the transmission of these coordinates can comprise as above based on place or based on the normalization in source, and/or can comprise for carrying out based on place or based on the necessary any extraneous information of the normalization in source.
UIBC can be designed to transmit various types of user input datas, comprise cross-platform user input data.For example, source device 120 can move iOS
Operating system, and host device 160 operations are such as Android
Or Windows
And so on another operating system.Platform whatsoever, UIPM168 can encapsulate the user's input that receives with the intelligible form of A/V control module 125.UIBC can support the user input format of number of different types, in order to allow many dissimilar source devices and host device to utilize agreement, no matter and whether source device and host device operate on different platforms.Can define the universal input form, and can support simultaneously the input format specific to platform, thereby in the mode that transmits user's input by UIBC between source device 120 and host device 160, provide dirigibility.
In the example of Figure 1A, source device 120 can comprise the TV of smart phone, panel computer, laptop computer, desktop computer, support Wi-Fi, maybe can send any miscellaneous equipment of Voice ﹠ Video data.Host device 160 can similarly comprise smart phone, panel computer, laptop computer, desktop computer, support Wi-Fi TV or can audio reception and video data and any miscellaneous equipment of receiving user input data.But in some cases, host device 160 can comprise the system of equipment, makes display 162, loudspeaker 163, UI equipment 167 and A/V scrambler 164 all parts separate the equipment of interoperable.Source device 120 can be the system of equipment equally, rather than individual equipment.
In this disclosure, the term source apparatus generally is used in reference to the equipment that sends audio/video data, and the term host device generally is used in reference to from the equipment of source device audio reception/video data.In many cases, source device 120 can be similar or identical equipment with host device 160, and equipment operates as source and another equipment operates as Su Jinhang.In addition, these roles can put upside down in different communication sessions.Therefore, the host device in communication session can become source device in communication session afterwards, or vice versa.
Figure 1B is the block diagram of exemplary source that the technology that can realize present disclosure is shown/place system 101.Source/place system 101 comprises source device 120 and host device 160, and each in source device 120 and host device 160 can be moved and operate for the described mode of Figure 1A with top.Source/place system 101 also comprises host device 180.Host device 180 can with the similar mode of above-described host device 160 on the UIBC that sets up from source device 120 audio receptions and video data, and to source device 120, send user commands.In some configurations, host device 160 and host device 180 can operate independently of one another, and can be simultaneously in host device 160 and host device 180 places output in the Voice ﹠ Video data of source device 120 places output.In alternative arrangements, host device 160 can be main host device, and host device 180 can be auxiliary host device.In this example arrangement, host device 160 and host device 180 can be coupled, and host device 160 can display video data and the host device 180 corresponding voice datas of output.In addition, in some configurations, host device 160 can only be exported the video data of transmission, and host device 180 can only be exported the voice data of transmission.
Fig. 2 is the block diagram that an example of source device 220 is shown.Source device 220 can be with Figure 1A in the similar equipment of source device 120, and can operate in the mode identical with source device 120.Source device 220 comprises local display 222, local loudspeaker 223, processor 231, storer 232, transmission unit 233 and radio modem 234.As shown in Figure 2, source device 220 can comprise one or more processors (that is, processor 231) of the A/V data being encoded and/or decoded in order to transmit, store and showing.For example, the A/V data can be stored in storer 232 places.Storer 232 can be stored complete A/V file, only perhaps can comprise the less impact damper of the part of storage (for example, from another equipment or source stream transmission) A/V file.Transmission unit 233 can be processed in order to carry out Internet Transmission encoded A/V data.For example, encoded A/V data can be processed by processor 231, and by transmission unit 233, are packaged into network access layer (NAL) unit in order to carry out internetwork communication.Can connect the NAL unit is sent to wireless host device via network by radio modem 234.Radio modem 234 can be the Wi-Fi modulator-demodular unit that for example is configured to realize one of IEEE802.11 standard family.
As described in top source device with reference to Figure 1A 120, source device 220 can also receive user's input from host device.By this way, the radio modem 234 of source device 220 receives the packet of the encapsulation such as the NAL unit, and the data cell that will encapsulate sends to transmission unit 233 in order to carry out decapsulation.For example, transmission unit 233 can extract from the NAL unit packet, and processor 231 can resolve to extract user's input command to this packet.Based on this user's input command, processor 231 can be adjusted the encoded A/V data that sent to host device by source device 220.By this way, can intactly or partly realize the top described function of A/V control module 125 with reference to Figure 1A by processor 231.
Any in the processor 231 various processors of ordinary representation of Fig. 2, include but not limited to integrated or discrete logic circuitry or its certain combination of one or more digital signal processors (DSP), general purpose microprocessor, special IC (ASIC), field programmable logic array (FPLA) (FPGA), other equivalence.The storer 232 of Fig. 2 can comprise any in various volatibility or nonvolatile memory, includes but not limited to random-access memory (ram), ROM (read-only memory) (ROM), nonvolatile RAM (NVRAM), Electrically Erasable Read Only Memory (EEPROM), flash memory such as Synchronous Dynamic Random Access Memory (SDRAM) etc.Storer 232 can comprise the computer-readable recording medium for storing audio/video data and other categorical data.Storer 232 can additionally be stored instruction and the program code of being carried out as a part of carrying out the various technology of describing in present disclosure by processor 231.
Fig. 3 shows an example of host device 360.Host device 360 can be with Figure 1A in the similar equipment of host device 160, and can operate in the mode identical with host device 160.Host device 360 comprises one or more processors (that is, processor 331), storer 332, transmission unit 333, radio modem 334, video-stream processor 335, local display 362, audio process 336, loudspeaker 363 and user's input interface 376.Host device 360 receives from the data cell of the encapsulation of source device transmission at radio modem 334 places.Radio modem 334 can be the Wi-Fi modulator-demodular unit that for example is configured to realize the one or more standards in IEEE802.11 standard family.Transmission unit 333 can carry out decapsulation to the data cell of encapsulation.For example, transmission unit 333 can extract encoded video data from the data cell of encapsulation, and encoded A/V data are sent to processor 331 to decode and to present, so that output.Video-stream processor 335 can be processed the video data through decoding that will show on local display 362, and audio process 336 can be processed so that output on loudspeaker 363 voice data through decoding.
Except presenting the Voice ﹠ Video data, wireless host device 360 can also receive user input data by user's input interface 376.User's input interface 376 can represent any one in a plurality of user input devices, include but not limited to: touch any miscellaneous equipment in display interface, keyboard, mouse, speech command module, gesture capture device (for example, have based on camera input capture ability) or a plurality of user input device.Can be processed by 331 pairs of user's inputs that receive by user's input interface 376 of processor.This processing can comprise the packet that generates the user's input command that comprises reception according to the technology of describing in present disclosure.In case generate, transmission unit 333 can be processed so that network is transferred to radio source device on UIBC these packets.
The processor 331 of Fig. 3 can comprise one or more in far-ranging processor, such as integrated or discrete logic circuitry or its certain combination of one or more digital signal processors (DSP), general purpose microprocessor, special IC (ASIC), field programmable logic array (FPLA) (FPGA), other equivalence.The storer 332 of Fig. 3 can comprise and includes but not limited to any in various volatibility or nonvolatile memory: the random-access memory (ram) such as Synchronous Dynamic Random Access Memory (SDRAM), ROM (read-only memory) (ROM), nonvolatile RAM (NVRAM), Electrically Erasable Read Only Memory (EEPROM), flash memory etc.Storer 232 can comprise the computer-readable recording medium for storing audio/video data and other categorical data.Storer 332 can also be stored instruction and the program code of being carried out as a part of carrying out the various technology of describing in present disclosure by processor 331.
Fig. 4 shows the block diagram of example transmitter system 410 and receiver system 450, and transmitter system 410 and receiver system 450 can be used for communicating on communication channel 150 by the emittor/receiver 126 in Figure 1A and emittor/receiver 166.At transmitter system 410 places, from data source 412 to the business datum that provides for a plurality of data stream of emission (TX) data processor 414.Can send each data stream on corresponding emitting antenna.TX data processor 414 is based on for the business datum of the selected specific encoding scheme of each data stream to each data stream, formaing, encode and interweave.
Can use OFDM (OFDM) technology to carry out the encoded data of each data stream and pilot data multiplexing.Can also use various other wireless communication technologys, include but not limited to the combination in any of time division multiple access (TDMA) (TDMA), frequency division multiple access (FDMA), CDMA (CDMA) or OFDM, FDMA, TDMA and/or CDMA.
With Fig. 4 as one man, the known data patterns that pilot data is normally processed in a known way, and can be used for estimating at the receiver system place channel response.Then, can be based on the certain modulation schemes of selecting for each data stream (for example, binary phase shift keying (BPSK), Quadrature Phase Shift Keying (QPSK), M-PSK or M-QAM(quadrature amplitude modulation), wherein M can be 2 power) the encoded data of the pilot tone through multiplexing and data stream are modulated (for example, sign map) so that modulation symbol to be provided.The data rate of each data stream, coding and modulation can determine by the instruction of being carried out by processor 430, wherein processor 430 can with storer 432 couplings.
Then, the modulation symbol of data stream is offered TX MIMO processor 420, TX MIMO processor 420 can be further processed to this modulation symbol (for example, for OFDM).Then, TX MIMO processor 420 can be to N
TIndividual transmitter (TMTR) 422a to 422t provide N
TIndividual stream of modulation symbols.In some aspects, TX MIMO processor 420 antenna that the beam forming weight is applied to the symbol of data stream and sends this symbol.
Each transmitter 422 can receive and process corresponding symbol and flow to provide one or more simulating signals, and further regulates (for example, amplification, filtering and up-conversion) this simulating signal so that the modulated signal that is suitable for transmitting on mimo channel to be provided.Then, respectively from N
TIndividual antenna 424a to 424t sends the N of self-emission machine 422a to 422t
TIndividual modulated signal.
, at receiver system 450 places, pass through N
RIndividual antenna 452a to 452r receives the modulated signal that sends, and will offer from the reception signal of each antenna 452 corresponding receiver (RCVR) 454a to 454r.Receiver 454 is regulated (for example, filtering, amplification and down coversion) reception signal separately, and the signal through regulating is carried out digitizing so that sampling to be provided, and further processes this and sample " reception " symbol that provides corresponding stream.
Then, receiving (RX) data processor 460 can receive and based on specific receiver treatment technology, process from N
RThe N of individual receiver 454
RThe symbol stream of individual reception, to provide N
TIndividual " detection " symbol stream.Then, RX data processor 460 can carry out to the symbol stream of each detection demodulation, deinterleaving and decoding, to recover the business datum of data stream.The processing of being undertaken by RX data processor 460 is complementary with the processing that TX MIMO processor 420 by transmitter system 410 places and TX data processor 414 are carried out.
Can periodically determine to use which pre-coding matrix with the processor 470 of storer 472 couplings.Reverse link message can comprise the various types of information relevant with the data stream of communication link and/or reception.Then, reverse link message is processed (TX data processor 438 also receives the business datum of a plurality of data stream from data source 436) by TX data processor 438, modulated by modulator 480,454a to 454r regulates by transmitter, and is sent back to transmitter system 410.
At transmitter system 410 places, modulated signal from receiver system 450 is received by antenna 424, by receiver 422, is regulated, and by detuner 440, carries out demodulation, and processed by RX data processor 442, to extract the reverse link message that is sent by receiver system 450.Then, processor 430 determines which pre-coding matrix to determine the beam forming weight with, then the message of extracting is processed.
Fig. 5 A is the block diagram that is illustrated between source device 520 and host device 560 as the example message transmission sequence of the part of capability negotiation session.Capability negotiation can be used as larger communication session between source device 520 and host device 560 and sets up the part of process and carry out.For example, can with Wi-Fi directly or TDLS set up this session as basic connectivity standard.Set up Wi-Fi directly or the TDLS session after, host device 560 can be initiated to be connected with the TCP of source device 520.As a part of setting up the TCP connection, can set up the control port of operation real-time streaming host-host protocol (RTSP), manage with the communication session between source device 520 and host device 560.
After source device 520 sends the second message, host device 560 can send the 3rd message (RTSP selects request message) in order to determine the RTSP method set that source device 520 is supported.After from host device 560, receiving the 3rd message, source device 520 can use the 4th message (RTSP selects response message) to respond, and the 4th message has been listed the RTSP method of being supported by source device 520.The 4th message can also comprise RTSP OK state code.
After sending the 4th message, source device 520 can send the 5th message (RTSP acquisition _ parameter request message) and carry out the list of the interested ability of assigned source equipment 520.Host device 560 can use the 6th message (RTSP acquisition _ parameter response message) to respond.The 6th message can comprise the RTSP state code.If the RTSP state code is OK, the 6th message can also comprise the response parameter for the parameter of being supported by host device 560 of appointment in the 5th message.Host device 560 can be ignored the parameter that in the 5th message, host device 560 is not supported.
Based on the 6th message, source 520 can be identified for the optimized parameter set of communication session, and can send the 7th message (RTSP setting _ parameter request message) to host device 560.The 7th message can comprise the parameter sets that will use during the communication session between source device 520 and host device 560.The 7th message can comprise the wfd-presentation-url of description will be used in RTSP foundation request universal resource identifier (URI), in order to set up this communication session.Wfd-presentation-url specifies in the URI that host device 560 between the session establishment commutation period can be used for message afterwards.In this parameter the value of the wfd-url0 of appointment and wfd-url1 can with the 7th message in wfd-client-rtp-ports in rtp-port0 and rtp-port1 value corresponding.In this case, RTP is commonly referred to as the real-time protocol (RTP) that can move on UDP.
After receiving the 7th message, host device 560 can respond with the 8th message with RTSP state code, and whether this RTSP state code indication is successful according to the setting to parameter of appointment in the 7th message.Above mention, in different sessions, role or source device and host device can reverse or change.In some cases, the order of setting up the message of communication session can define the equipment that operates as source and the definition equipment as the Su Jinhang operation.
Fig. 5 B is the block diagram that is illustrated between source device 560 and host device 520 as another example message transmission sequence of the part of capability negotiation session.The more detailed view of the transmission sequence of describing for Fig. 5 A above the transmission of messages of Fig. 5 B sequentially aims to provide.In Fig. 5 B, message " 1b. acquisition _ parameter response " shows the list of the input classification (for example, general and HIDC) that sign supports and the example of the message of a plurality of lists of the input type supported.Each input classification of supporting in the list of the input classification of supporting has the list of the type of supporting (for example, generic_cap_list and hidc_cap_list) that is associated.In Fig. 5 B, message " 2a. setting _ parameter request " is to identify the second list of the input classification (for example, general and HIDC) of supporting and the example of the second message of a plurality of second lists of the type of supporting.Each input classification of supporting in the second list of the input classification of supporting has the second list of the type of supporting (for example, generic_cap_list and hidc_cap_list) that is associated.Input classification and input type that message " 1b. acquisition _ parameter response " sign is supported by host device 560.Input classification and input type that message " 2a. setting _ parameter request " sign is supported by source device 520, but it can not be all input classifications of being supported by source device 520 and the comprehensive list of input type.But message " 2a. setting _ parameter request " can only be identified at sign those input classification and input types for by host device 560, being supported in message " 1b. acquisition _ parameter response ".By this way, the input classification of sign and input type can be formed in the input classification of sign in message " 1b. acquisition _ parameter response " and the subset of input type in message " 2a. setting _ parameter request ".
Fig. 6 illustrates to be generated and to be sent to by host device the concept map of an example of the packet of source device.With reference to Figure 1A, the each side of data grouping 600 is made an explanation, but the technology of discussing can be applied to the source of other type/place system.Packet 600 can comprise data packet header 610, follows payload data 650 after data packet header 610.Payload data 650 can comprise one or more payload headers (for example, payload header 630) in addition.The user of host device 160 for example, packet 600 can be sent to source device 120 from the host device 160 of Figure 1A, so that can control the audio/video data that is sent by source device 120.Under these circumstances, payload data 650 can be included in the user input data that host device 160 places receive.For example, payload data 650 can identify one or more user commands.Host device 160 can receive this one or more user commands, and can generated data packet header 610 and payload data 650 based on the order that receives.The content of the data packet header 610 of based on data grouping 600, source device 120 can be resolved payload data 650, the user input data that receives to be identified in host device 160 places.Based on the user input data that comprises in payload data 650, source device 120 can change the Voice ﹠ Video data that send to host device 160 from source device 120 in some way.
As using in present disclosure, term " parsing " and " parsing " are commonly referred to as analyzes to extract the process of data from this bit stream to bit stream.In case be extracted, for example, can be processed by 120 pairs of these data of source device.For example, extract data and can comprise that how formatted the data in this bit stream of identification are.As will be described in greater detail below, data packet header 610 can define source device 120 and host device 160 all known standardized format both.Yet, can payload data 650 be formatd in a kind of mode in many possible modes.By data packet header 610 is resolved, source device 120 can determine that how formatted payload data 650 is, thereby and source device 120 can be resolved payload data 650, to extract one or more user's input commands from payload data 650.Provide dirigibility aspect this dissimilar payload data that can support in source-Su Tongxin.As will be described in greater detail below, payload data 650 can also comprise the one or more payload headers such as payload header 630.In these cases, source device 120 can resolve to determine the form of payload header 630 to data packet header 610, and then payload header 630 is resolved form with the remainder of determining payload data 650.
Figure 62 0 is the conceptual description about can how to data packet header 610, formaing.Digital 0-15 in row 615 is intended to the bit position in identification data packet header 610, and not is intended to represent practically the information that comprises in data packet header 610.Data packet header 610 comprises version field 621, timestamp sign 622, reserved field 623, input classification field 624, length field 625 and optional timestamp field 626.
In the example of Fig. 6, version field 621 is 3 bit fields, and it can indicate the version of the special communication protocol of being realized by host device 160.Value in version field 621 can inform how source device 120 resolves the remainder of data packet header 610, and how payload data 650 is resolved.In the example of Fig. 6, version field 621 is 3 bit fields, and it can realize the unique identifier for 8 kinds of different editions.In other example, more or less bit can be specifically designed to version field 621.
In the example of Fig. 6, timestamp sign (T) 622 is 1 bit fields, and whether life period is stabbed field 626 in data packet header 610 in its indication.Timestamp field 626 is 16 bit fields, and it comprises based on the timestamp of the multi-medium data that is generated and be sent to host device 160 by source device 120.For example, this timestamp can be to be distributed to the sequence valve of this frame before frame of video is sent to host device 160 by source device 120.Timestamp sign 622 can for example comprise " 1 " that is used to indicate life period stamp field 626, and can comprise and be used to indicate not " 0 " of life period stamp field 626.Data packet header 610 is resolved and definite life period stamp field 626 after, source device 120 can be processed the timestamp that is included in timestamp field 626.After data packet header 610 being resolved and determines that life period is not stabbed field 626, due to life period stamp field not in data packet header 610, so source device 120 can start payload data 650 is resolved after length field 625 is resolved.
If exist, timestamp field 626 can comprise the timestamp of the video data frame that shows at wireless host device 160 places when obtaining the user input data of payload data 650 for sign.For example, before source device 120 sends to host device 160 with this frame of video, can add this timestamp to this frame of video by source device 120.Therefore, source device 120 can the generating video frame and embed timestamp (for example as metadata) in the video data of this frame.Source device 120 can send and have the frame of video of timestamp to host device 160, and host device 160 can show this frame of video.When by host device 160, showing this frame of video, host device 160 can be from user's receives user's.When to source device 120, transmitting this user command, host device 160 can will be included in timestamp field 626 by the timestamp of the frame of host device 160 demonstrations when receive this user command when host device 160 generated datas groupings.
After the packet 600 that receives the timestamp field 626 that has in being present in header, the frame of video that shows at host device 160 places when radio source device 120 can be identified in the user input data that obtains payload data 650, and can process user input data based on the content of the frame by the timestamp sign.For example, if user input data is the click that is applied to touch order or the mouse pointer of touch display, source device 120 can be determined as the user to the display application touch order or the content of shown frame while clicking the mouse.In some cases, may need the content of frame to carry out suitable processing to payload data.For example, can depend on based on user's input that the user touches or mouse is clicked the content that is just showing when touching or click on display.For example, touching or click can be corresponding with icon or menu option., in the situation that the content of display changes, can stab the timestamp that exists in field 626 120 service times by source device and match correct icon or menu option with touching or clicking.
Additionally or alternatively, source device 120 can compare the timestamp in timestamp field 626 and the timestamp that is applied to the current frame of video that presents.Compare by the timestamp with in timestamp field 626 and current time stamp, source device 120 can be determined two-way time.This two-way time usually with send from source device 120 frames the time be carved into that to receive back from host device 160 moment institute's elapsed time amount that the user based on this frame inputs at source device 120 corresponding.Can provide indication to system delay this two-way time to source device 120, and if should two-way time greater than threshold value, at input command, be applied under the hypothesis of out-of-date display frame, source device 120 can be ignored the user input data that is included in payload data 650.During less than threshold value, source device 120 can be processed user input data, and the audio/video content that sends in response to this user input data is adjusted when this two-way time.Threshold value can be programmable, and dissimilar equipment (perhaps different source-Su Zuhe) can be configured to define acceptable different threshold values for two-way time.
In the example of Fig. 6, reserved field 623 is 8 bit fields, and it does not comprise the information of being used when data packet header 610 and payload data 650 are resolved by source device 120.Yet, (as identifying in version field 621) future version of specific protocol can use reserved field 623, in this case, source device 120 can be resolved data packet header 610 and/or payload data 650 is resolved with the information in reserved field 623.Reserved field 623 in conjunction with version field 621 provide potentially not in the situation that form and the feature used fundamentally change, the data packet format is expanded and is added the ability of feature.
In the example of Fig. 6, input classification field 624 is 4 bit fields, and it is used for the input classification of the user input data that sign payload data 650 comprises.Host device 160 can classify to determine the input classification to user input data.For example, user input data is classified can be based on from it receive the equipment of order or based on the attribute of order itself.How formatted the value (may in conjunction with the out of Memory of data packet header 610) of input classification field 624 is to source device 120 sign payload datas 650.Based on this format, source device 120 can resolve to determine the user's input that receives at host device 160 places to payload data 650.
In the example of Fig. 6,, because input classification field 624 is 4 bits, therefore can identify 16 kinds of different input classifications.A kind of such input classification can be the universal input form, and user input data of its indication payload data 650 is to use in the general information unit that is both defined in performed agreement by source device 120 and host device 160 usually to format.As will be described in greater detail below, the universal input form can use and allow the user of host device 160 to carry out mutual general information element in application layer and source device 120.
Another this input classification can be human interface device order (HIDC) form, and the user input data of its indication payload data 650 is based on that type for the input equipment that receives these input data formats.The example of the type of equipment comprises: keyboard, mouse, touch input device, operating rod, camera, gesture capture device (such as the input equipment based on camera) and Long-distance Control.Can the input classification of other type of sign comprise in input classification field 624: the user input data in indication payload data 650 is not to derive from the forwarding input format of host device 160 or the voice command form that comprises voice command specific to form and the indication payload data 650 of operating system.
Length field 625 can comprise 16 bit fields of the length that is used to indicate packet 600.For example, can indicate take 8 bits as unit this length.Because packet 600 is to be resolved with the word of 16 bits by source device 120, therefore can be to data 600 integral multiples of filling to reach 16 bits that divide into groups.Based on the length that comprises in length field 625, source device 120 can be identified the end (being the end of packet 600) of payload data 650 and the beginning of new follow-up packet.
It is indicative that all size of the field that provides in the example of Fig. 6 only is intended to, and is intended to and can realizes these fields with the bit of the varying number with shown in Fig. 6.In addition, what it is also contemplated that is, data packet header 610 can comprise than all fields discussed above still less field or can use above the extra field do not discussed.Certainly, aspect the actual format of each data field that is used for grouping, the technology of present disclosure can be flexibly.
For example, if there is universal input in 624 indications of the input classification field of data packet header 610 in payload data 650, payload data 650 can have the universal input form.Therefore, source device 120 can be resolved payload data 650 according to this universal input form.As the part of universal input form, payload data 650 can comprise a series of one or more incoming event, and wherein each incoming event has its oneself incoming event header.Below table 1 identified the field that can comprise at the input header.
Form 1
| Field | Size (eight bit byte) | Value |
| General purpose I EID | 1 | In Table 2 |
| |
2 | The length of the field of back take eight bit byte as unit |
| Describe | Variable | The details of user's input.See each table |
Universal input event (IE) sign (ID) field identification is used for the universal input event identifier of sign input type.For example, general purpose I E id field can length be 1 eight bit byte, and can comprise the sign of selecting from following table 2., as in this example,, if general purpose I E id field is 8 bits, can identify 256 kinds of dissimilar inputs (being designated 0-255), although be not whole 256 kinds of input types that sign all necessarily need to be associated.Some in these 256 can keep in order to be used in the future the future version of any agreement that is realized by host device 160 and source device 120.In table 2, for example, general purpose I E ID9-255 does not have the input type that is associated, but can distribute input type to it in the future.
The length of the length field sign description field in the incoming event header, and description field comprises the information element of describing user's input.The type that can depend on the input that identifies in general purpose I E id field to the format of description field.Therefore, source device 120 can be resolved the content of description field based on the input type that identifies in general purpose I E id field.Based on the length field of incoming event header, source device 120 can be determined the end of an incoming event in payload data 650 and the beginning of new incoming event., as below explaining more in detail, a user command can be described as one or more incoming events in payload data 650.
Table 2 provides the example of input type, and each input type has the corresponding general purpose I E ID that can be used for this input type of sign.
| General purpose I E | Input type | |
| 0 | Left mouse is pressed/is touched and presses | |
| 1 | Left mouse-up/touch is lifted | |
| 2 | Mouse moves/touches mobile | |
| 3 | Button is pressed | |
| 4 | |
|
| 5 | Convergent-divergent | |
| 6 | Vertical scrolling | |
| 7 | Horizontal rolling | |
| 8 | Rotation | |
| 9-255 | Keep |
Can have different forms from the description field that each input type is associated.For example, the event of pressing is pressed/touched to left mouse, left mouse-up/event is lifted in touch and mouse moves/touches mobile description field and can comprise the information element of sign in following table 3, although also can use other form in other example.
The quantity of pointer can identify the number of times that the touch that is associated with incoming event or mouse are clicked.Each pointer can have unique pointer ID.For example, if the multiple point touching event comprises three fingers, touch, incoming event can have three pointers, and wherein each pointer has unique pointer ID.Each pointer (that is, each finger touch) can have x coordinate and the y coordinate corresponding with touching nidus.
Can be a series of incoming event with the unique user command description.For example, be the order of closing application if three fingers are gently swept, three fingers gently can be swept the touch that the touch that is described as having three pointers presses event, has the touch moving event of three pointers and have three pointers and lift event in payload data 650.Three pointers that event is pressed in touch can have the pointer ID identical with three pointers that touch the event of lifting with touching moving event.Source device 120 can be that three fingers are gently swept with the combination interpretation of these three incoming events.
For example, button is pressed description field that event or button lift event and can be comprised the information element of sign in following table 4.
For example, the description field of convergent-divergent event can comprise the information element of sign in following table 5.
For example, the description field of horizontal rolling event or vertical scrolling event can comprise the information element of sign in following table 6.
Above example show some exemplary approach that can format payload data for the universal input classification.If the input classification (such as the user's input that forwards) that 624 indications of the input classification field of data packet header 610 are different, payload data 650 can have different input format.In the situation of the user's input that forwards, host device 160 can receive user input data from third party device, and in the situation that this user input data is not made an explanation this input is forwarded to source device 120.Thereby source device 120 can be resolved payload data 650 according to the user input format that forwards.For example, the payload header 630 of payload data 650 can comprise for the field of sign from the third party device of its acquisition user input.For example, this field can comprise Internet Protocol (IP) address, MAC Address, domain name or some other this class identifiers of third party device.Source device 120 can be resolved the remainder of payload data based on the identifier of third party device.
If the input classification field of the data packet header 610 624 another different input classifications of indication, such as voice command, payload data 650 can have another different input type.For voice command, payload data 650 can comprise encoded audio frequency.Can carry out via a series of message the codec of Code And Decode between source device 120 and host device 160 holds consultation to being used for audio frequency to voice command.In order to send voice command, timestamp field 626 can comprise the speech sample time value.In this case, timestamp sign 622 can be set to indicate the life period stamp, rather than timestamp as described above, timestamp field 626 can comprise the speech sample time value for the encoded audio frequency of payload data 650.
In some instances, as mentioned above, voice command can be sent as generic command, in this case, input classification field 626 the generic command form can be set to identify, and in the general purpose I E ID that keeps voice command can be distributed to.If voice command is sent as generic command, the speech sample rate may reside in the timestamp field 626 of data packet header 610 or may reside in payload data 650.
Voice command data for catching, can encapsulate speech data in many ways.For example, can encapsulate the voice command data with RTP, RTP can provide PT Payload Type with sign codec and timestamp, and wherein this timestamp is used for the sign sampling rate., in the situation that have or do not have optional timestamp, can encapsulate the RTP data with above-described common user input format.Host device 160 can use TCP/IP to send and carry the universal input data of voice command data to source device 120.
As previously discussed, in the time of when coordinate is included in for example payload data 650 as the part of packet (such as packet 600) in, this coordinate can be corresponding with coordinate, display window coordinate, the normalization coordinate of resolution convergent-divergent based on consulting or the coordinate that is associated with the place display.In some cases, extra information can be included in packet or individually and send, in order to by source device, be used for the coordinate that receives in packet is carried out normalization.
Do not consider the input classification of specific data packet, data packet header can be the application layer packet header, and can send packet by TCP/IP.TCP/IP can make host device 160 and the source device 120 can be in the situation that packet loss is carried out retransmission technique.Packet can be sent to source device 120 to control voice data or the video data of source device 120, perhaps for other purpose (such as the application of controlling run on source device 120) from host device 160.
Fig. 7 A consults the process flow diagram of the exemplary method of ability between host device and source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are performed, make the one or more steps in the shown step in the one or more process flow diagrams in one or more processors (for example, processor 331) execution process flow diagram described herein.
The method of Fig. 7 A comprises that host device 160 receives the first message (701) from source device 120.For example, this message can comprise the acquisition parameter request.In response to this first message, host device 160 can send the second message (703) to source device 120.For example, this second message can comprise the acquisition parameter response, a plurality of first lists of the first list of the input classification that this acquisition parameter response sign is supported and the type of supporting.Each input classification of supporting in the first list of the input classification of wherein, supporting has the first list of the type of supporting that is associated.For example, the input classification of supporting can be identical with the input classification field 624 that is used for Fig. 6 classification corresponding.Top table 2 expression is for an example of the type of supporting of specific input classification (being universal input in this example).Host device 160 can receive the 3rd message (705) from source device 120.For example, the 3rd message can comprise the parameters request, wherein, this parameters request mark is used for the second list of the port of communication, the input classification supported and a plurality of second lists of the type supported, wherein, each input classification of supporting in the second list of the input classification of supporting has the second list of the type of supporting that is associated, and each type supported in the second list comprises the subset of the type in the first list.Host device 160 can send the 4th message (707) to source device 120.For example, the 4th message can comprise the parameters response of having enabled the type of the second list for confirmation.Host device 160 can receive the 5th message (709) from source device 120.For example, the 5th message can comprise that indication enabled the second parameters request of the communication channel between source device 120 and host device 160.For example, this communication channel can comprise that the user inputs Return Channel (UIBC).Host device 160 can send the 6th message (711) to source device 120.For example, the 6th message can comprise the second parameters response of the reception of confirming 160 pairs of the second parameters requests of host device.
Fig. 7 B consults the process flow diagram of the exemplary method of ability between host device and source device.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Fig. 7 B comprises: source device 120 sends the first message (702) to host device 160.For example, this first message can comprise the acquisition parameter request.Source device 120 can receive the second message (704) from host device 160.For example, this second message can comprise the acquisition parameter response, a plurality of first lists of the first list of the input classification that this acquisition parameter response sign is supported and the type of supporting, each input classification of supporting in the first list of the input classification of wherein, supporting has the first list of the type of supporting that is associated.Source device 120 can send the 3rd message (706) to host device 160.For example, the 3rd message can comprise the parameters request, this parameters request mark is used for the second list of the port of communication, the input classification supported and a plurality of second lists of the type supported, wherein, each input classification of supporting in the second list of the input classification of supporting has the second list of the type of supporting that is associated, and each type supported in the second list comprises the subset of the type in the first list.Source device 120 can receive the 4th message (708) from host device 160.For example, the 4th message can comprise the parameters response of having enabled the type of the second list for confirmation.Source device 120 can send the 5th message (710) to host device 160.For example, the 5th message can comprise that indication enabled the second parameters request of the communication channel between source device 120 and host device 160.For example, this communication channel can comprise that the user inputs Return Channel (UIBC).Source device 120 can receive the 6th message (712) from host device 160.For example, the 6th message can comprise the second parameters response of the reception of confirming 160 pairs of the second parameters requests of host device.
Fig. 8 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Fig. 8 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (801).User's input module that can be by wireless host device 160 (such as, for example, the user's input interface 376 shown in combining wireless host device 360) obtains user input data.In addition, host device 160 user input data can be categorized as for example general, forward or specific to operating system.Then, host device 160 can generate data packet header (803) based on user input data.This data packet header can be the application layer packet header.Except other field, this data packet header can also comprise the field for the sign input classification corresponding with user input data.For example, the input classification can comprise universal input form or human interface device order.Host device 160 all right generated data groupings (805), wherein, this packet comprises data packet header and the payload data that generates.In one example, payload data can comprise the user input data that receives, and can identify one or more user commands.Then, host device 160 can send the packet (807) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, for example comprises the transmission unit 333 shown in Fig. 3 and radio modem 334.Host device 160 can transmit packet by TCP/IP.
Fig. 8 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Fig. 8 B comprises reception packet (802), and wherein, except other side, this packet can comprise data packet header and payload data.Payload data can comprise for example user input data.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 and radio modem 234 shown in Figure 2.Then, source device 120 can be resolved (804) to the data packet header that is included in packet, with determine be included in this payload data in the input classification that is associated of user input data.Source device 120 can be processed (806) to this payload data based on determined input classification.The packet of describing with reference to Fig. 8 A and 8B can be taked the form with reference to the described packet of Fig. 6 usually, and can be used for controlling audio/video data and the application at source device place.
Fig. 9 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Fig. 9 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (901).User's input module that can be by wireless host device 160 (such as, for example, with reference to the user's input interface 376 shown in Fig. 3) obtain user input data.Then, host device 160 can generate payload data (903), and wherein this payload data can be described user input data.In one example, payload data can comprise the user input data that receives and can identify one or more user commands.Host device 160 all right generated data groupings (905), wherein, this packet comprises data packet header and the payload data that generates.Then, host device 160 can send the packet (907) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, such as, for example, transmission unit 333 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Fig. 9 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Fig. 9 B comprises that wherein, except other side, this packet can comprise data packet header and payload data from host device 360 reception packets (902).In one example, payload data can comprise the data (such as the input type value) of the details of for example describing user's input.Source device 120 can comprise the communications component that allows to transmit packet, comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, source device 120 can be resolved to this packet (904), to determine the input type value in the input type field in payload data.Source device 120 can be processed (906) to the data of the details of description user input based on determined input type value.Usually can take the form of the packet of describing with reference to Fig. 6 with reference to the packet of Fig. 9 A and 9B description.
Figure 10 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 10 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (1001).User's input module that can be by wireless host device 160 (such as, for example, with reference to the user's input interface 376 shown in Fig. 3) obtain user input data.Then, host device 160 can input to generate data packet header (1003) based on the user.Except other field, this data packet header can comprise being used to indicate whether life period is stabbed the timestamp sign (for example, 1 bit field) of field in data packet header.For example, this timestamp sign can comprise " 1 " of indication life period stamp field, and can comprise and indicate not " 0 " of life period stamp field.For example, this timestamp field can be 16 bit fields, and it comprises the timestamp that is generated and be added to video data by source device 120 before transmission.Host device 160 all right generated data groupings (1005), wherein, this packet comprises data packet header and the payload data that generates.In one example, payload data can comprise the user input data that receives and can identify one or more user commands.Then, host device 160 can send the packet (1007) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, and it comprises for example with reference to transmission unit 333 illustrated in fig. 3 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Figure 10 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 10 B comprises that wherein, except other side, this packet can comprise data packet header and payload data from wireless host device 160 reception packets (1002).For example, payload data can comprise user input data.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, source device 120 can be resolved (1004) to the data packet header that this packet comprises.Source device 120 can determine whether life period is stabbed field (1006) in this data packet header.In one example, source device 120 can carry out this based on the timestamp value of statistical indicant that comprises at this data packet header and determines.If this data packet header comprises the timestamp field, source device 120 can be processed (1008) to payload data based on the timestamp in this timestamp field.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 10 A and 10B description, and the audio/video data at source device place can be used for controlling.
Figure 11 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 11 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (1101).User's input module that can be by wireless host device 160 (such as, for example, with reference to the user's input interface 376 shown in Fig. 3) obtain this user input data.Then, host device 160 can input to generate data packet header (1103) based on the user.Except other field, this data packet header can comprise the timestamp field.For example, this timestamp field can comprise 16 bit fields, and this 16 bit field comprises based on generated and be sent to the timestamp of the multi-medium data of wireless host device 160 by radio source device 120.Can before being sent to wireless host device, by radio source device 120, add this timestamp to video data frame.For example, this timestamp field can identify with when catching user input data, the timestamp that the video data frame that shows at wireless host device 160 places is associated.Host device 160 all right generated data groupings (1105), wherein, this packet comprises data packet header and the payload data that generates.In one example, payload data can comprise the user input data that receives and can identify one or more user commands.Then, host device 160 can send the packet (1107) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, and it comprises for example with reference to transmission unit 333 illustrated in fig. 3 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Figure 11 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 11 B comprises that wherein, except other side, this packet can comprise data packet header and payload data from wireless host device (such as wireless host device 160) reception packet (1102).For example, payload data can comprise user input data.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, the timestamp field (1104) of source device 120 in can the recognition data packet header.Source device 120 can time-based timestamp in the stamp field payload data is processed (1106).As the part that payload data is processed, source device 120 can stab to be identified in the video data frame that shows at wireless host device place while obtaining this user input data by time-based, and based on the content of this frame, explains this payload data.As a part of payload data being processed based on this timestamp, source device 120 can compare this timestamp and the current time stamp of the current video frame that is sent by source device 120, and can carry out user's input command of describing in payload data less than threshold value in response to the mistiming between this timestamp and current time stamp, perhaps in response to the mistiming between this timestamp and current time stamp, not carry out user's input command of describing in payload data greater than threshold value.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 11 A and 11B description, and the audio/video data at source device place can be used for controlling.
Figure 12 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 12 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (1201).In one example, this user input data can be the voice command data, user's input module that can be by wireless host device 160 (such as, for example, the voice command recognition module that the user's input interface 376 in Fig. 3 comprises) obtains this voice command data.Host device 160 can input to generate data packet header (1203) based on the user.Host device 160 can also generate payload data (1205), and wherein this payload data can comprise the voice command data.In one example, payload data can also comprise the user input data that receives and can identify one or more user commands.Host device 160 all right generated data groupings (1207), wherein, this packet comprises data packet header and the payload data that generates.Then, host device 160 can send the packet (1209) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, and it comprises for example with reference to transmission unit 333 illustrated in fig. 3 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Figure 12 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 12 B comprises reception packet (1202), and wherein, except other side, this packet can comprise data packet header and payload data.For example, payload data can comprise the user input data such as the voice command data.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, source device 120 can be resolved (1204) to the payload data that this packet comprises, to determine whether this payload data comprises the voice command data.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 12 A and 12B description, and the audio/video data at source device place can be used for controlling.
Figure 13 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 13 A is included in wireless host device (such as wireless host device 160) and locates to obtain user input data (1301).In one example, this user input data can be the multiple point touching gesture, user's input module that it can be by wireless host device 160 (such as, for example, the user's input interface 376 in UI167 or Fig. 3) obtain.In one example, this multiple point touching gesture can comprise that first touches input and the second touch input.Host device 160 can input to generate data packet header (1303) based on the user.Host device 160 can also generate payload data (1305), wherein this payload data can will be associated with the first pointer mark for the first user input data that touches incoming event, and will be associated with the second pointer mark for the second user input data that touches incoming event.Host device 160 all right generated data groupings (1307), wherein, this packet comprises data packet header and the payload data that generates.Then, host device 160 can send the packet (1309) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, and it comprises for example with reference to transmission unit 333 illustrated in fig. 3 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Figure 13 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 13 B comprises reception packet (1302), and wherein, except other side, this packet can comprise data packet header and payload data.For example, payload data can comprise the user input data such as the multiple point touching gesture.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, source device 120 can be resolved (1304) to the payload data that this packet comprises, the user input data that comprises to identify this payload data.In one example, the data of identifying can comprise the user input data for the first touch incoming event with first pointer mark and the user input data for the second touch incoming event with second pointer mark.Then, source device 120 can will touch the user input data of incoming event and for the second user input data that touches incoming event, be interpreted as multiple point touching gesture (1306) for first.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 13 A and 13B description, and the audio/video data at source device place can be used for controlling.
Figure 14 A is according to present disclosure, sends the process flow diagram of the exemplary method of user input data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 14 A is included in wireless host device 360 places and obtains user input data (1401) from external unit.In one example, this external unit can be the third party device that is connected to this host device.Host device 160 can input to generate data packet header (1403) based on the user.In one example, this data packet header can be designated user input data the user input data of forwarding.Host device 160 can also generate payload data (1405), and wherein, this payload data can comprise user input data.Host device 160 all right generated data groupings (1407), wherein, this packet comprises data packet header and the payload data that generates.Then, host device 160 can send the packet (1409) that generates to radio source device (for example, 220 of the source device 120 of Figure 1A or Fig. 2).Host device 160 can comprise the assembly that allows to transmit packet, and it comprises for example with reference to transmission unit 333 illustrated in fig. 3 and radio modem 334.Can packet be sent to radio source device by TCP/IP.
Figure 14 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 14 B comprises reception packet (1402), and wherein, except other side, this packet can comprise data packet header and payload data.For example, payload data can comprise the user input data such as the user's input command that forwards, and user's input command indicating user input data of this forwarding forward from third party device.Source device 120 can comprise the communications component that allows to transmit packet, and it comprises for example with reference to transmission unit 233 illustrated in fig. 2 and radio modem 234.Then, source device 120 can be resolved (1404) and can be determined that this payload data comprises user's input command (1404) of forwarding to the data packet header.Then, source device 120 can be resolved (1406) to the payload data that this packet comprises, the sign that is associated with the third party device of user's input command corresponding to forwarding with identification.Then, source device 120 can be processed (1408) to payload data based on the sign of the third party device of identifying.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 14 A and 14B description, and the audio/video data at source device place can be used for controlling.
Figure 15 A is according to present disclosure, sends the process flow diagram of the exemplary method of user data from wireless host device to radio source device.Shown exemplary method can be by host device 160(Figure 1A) or 360(Fig. 3) carry out.In some instances, computer-readable recording medium (for example, storer 332) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 331) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 15 A is included in wireless host device place and obtains user input data (1501).This user input data can have the coordinate data that is associated.For example, this coordinate data that is associated can be corresponding with the position of the position of mouse click event or touch event.Then, host device 160 can be carried out normalization to generate normalized coordinate data (1503) to this coordinate data that is associated.Then, host device 160 can generate comprise the packet (1505) of normalized coordinate data.Coordinate data is carried out normalization can be comprised: based on the resolution of display window, with the ratio of the resolution of the display in source (such as the display 22 of source device 120), the coordinate data that is associated is carried out convergent-divergent.The resolution of display window can be determined by host device 160, and can be from the resolution of the display of source device 120 reception sources equipment.Then, host device 160 can send the packet (1507) with normalization coordinate to radio source device 120.A part as the method for Figure 15 A, host device 160 can also determine that the coordinate data that is associated is whether within display window for the content that receives from radio source device, and for example, if the coordinate data that is associated is processed user's input outside display window in this locality, perhaps this input is carried out normalization by described to coordinate within display window else if.
Figure 15 B is according to present disclosure, receives the process flow diagram of the exemplary method of user input data from wireless host device at the radio source device place.Shown exemplary method can be by source device 120(Figure 1A) or 220(Fig. 2) carry out.In some instances, computer-readable recording medium (for example, storer 232) can store instruction, module or algorithm, when this instruction, module or algorithm are carried out, make one or more processors (for example, processor 231) carry out one or more steps in shown step in this process flow diagram.
The method of Figure 15 B is included in the radio source device place and receives packet, and wherein, this packet comprises the user input data (1502) that is associated with coordinate data.For example, this coordinate data that is associated can be corresponding with the position of the position of the mouse click event at host device place or touch event.Then, source device 120 can carry out normalization to this coordinate data that is associated, to generate normalized coordinate data (1504).Source device 120 can carry out convergent-divergent with the ratio of the resolution of the display in source to this coordinate data that is associated by the resolution based on display window, and this coordinate data is carried out normalization.Source device 120 can be determined the resolution of the display of source device, and can receive from wireless host device the resolution of display window.Then, source device can be processed (1506) to data groupings based on normalized coordinate data.Usually the form of the packet of describing with reference to Fig. 6 can be taked with reference to the packet of Figure 15 A and 15B description, and audio/video data can be used for controlling at the source device place.
For the purpose of simplicity of explanation, with reference to Fig. 7-15, individually the various aspects of present disclosure are described.Yet, should imagine these various aspects and can interosculate and unite mutually and use and not just use separately.Usually, can realize function and/or the module described herein in both in radio source device and wireless host device.By this way, the user interface function of describing in current example can be between radio source device and wireless host device Alternate.
Can use and comprise wireless handheld device and integrated circuit (IC) or one group of IC(namely, chipset) various device and device realize the technology of present disclosure.Provide described any assembly, module or unit to emphasize functional aspect, and might not require to realize by different hardware cells.
Correspondingly, can realize the technology of describing herein with hardware, software, firmware or their combination in any.If realize with hardware, but any feature that is described to module, unit or assembly can be realized together in integrated logical device or be embodied as individually logical device discrete but co-operate.If with software, realize, these technology can be realized by computer-readable medium at least partly, and this computer-readable medium comprises the instruction of carrying out the one or more methods in said method in processor when carrying out.Computer-readable medium can comprise tangible and non-provisional computer-readable recording medium, and can form the part of computer program, and computer program can comprise encapsulating material.Computer-readable recording medium can comprise such as the random-access memory (ram) of Synchronous Dynamic Random Access Memory (SDRAM), ROM (read-only memory) (ROM), nonvolatile RAM (NVRAM), Electrically Erasable Read Only Memory (EEPROM), flash memory, magnetic or optical data carrier etc.Extraly or alternatively, these technology can realize by the computer-readable communication media at least partly, this computer-readable communication media carry communication cryptology with instruction or data structure form and can be by computer access, read and/or carry out.
Code can be carried out by one or more processors of the integrated or discrete logic circuitry such as one or more digital signal processors (DSP), general purpose microprocessor, special IC (ASIC), field programmable logic array (FPLA) (FPGA) or other equivalence.Correspondingly, as used herein, term " processor " can refer to aforementioned structure or be suitable for realizing any in any other structure of the technology of describing herein.In addition, in certain aspects, can provide the function of describing herein in being configured to the dedicated software modules of carrying out Code And Decode or including the composite video codec in or hardware module.In addition, can realize all sidedly these technology with one or more circuit or logical block.
Various aspects to present disclosure are described.Within the scope of these aspects and other side claim below.
Claims (94)
1. method that sends user input data from wireless host device to radio source device, described method comprises:
Obtain user input data at described wireless host device place;
Generate the payload data of describing described user input data;
Generation comprises the packet of data packet header and described payload data;
Send described packet to described radio source device.
2. method according to claim 1, wherein, described payload data comprises the input type field that identifies input type.
3. method according to claim 2, wherein, described input type is from by selecting the following group that forms: press mouse button, discharge mouse button, touch display, release display, rolling mouse cursor, touch, push button, discharge button, convergent-divergent, vertical scrolling, horizontal rolling and rotate display is mobile.
4. method according to claim 1, wherein, described payload data comprises the length field of the length that the sign input is described.
5. method according to claim 4, wherein, the described length that described input is described identifies take eight bit byte as unit.
6. method according to claim 1, wherein, described payload data comprises the description field be used to the details of describing described user input data.
7. method according to claim 1, wherein, described payload data comprises: the first input type field, the first length field, the first description field, the second input type field, the second length field and the second description field, the end of described the first description field of length value sign that wherein, comprises in described the first length field and the beginning of described the second input type field.
8. method according to claim 1, wherein, a plurality of pointer events of described payload data sign, and for each pointer event sign x coordinate and y coordinate corresponding with the coordinate of described pointer event nidus.
9. method according to claim 8, wherein, described x coordinate and y coordinate are based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
10. method according to claim 1, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
11. method according to claim 1, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
12. method according to claim 1, wherein, described payload data comprises x coordinate figure, y coordinate figure and to the indication of zoom factor.
13. method according to claim 1, wherein, described payload data comprises the indication to the amount of horizontal rolling.
14. method according to claim 13, wherein, the amount of described horizontal rolling is take pixel as unit, and is based on the monitor resolution of described radio source device.
15. method according to claim 1, wherein, described payload data comprises the indication to the amount of vertical scrolling.
16. method according to claim 15, wherein, the amount of described vertical scrolling is take pixel as unit, and is based on the monitor resolution of described radio source device.
17. method according to claim 1, wherein, described payload data comprises the indication to the amount of rotation.
18. method according to claim 17, wherein, the amount of described rotation is take radian as unit.
19. method according to claim 1, wherein, obtain described user input data and comprise: by the input equipment of described wireless host device, catch described user input data.
20. method according to claim 1 wherein, obtains described user input data and comprises: from another wireless host device, receive the user input data that forwards.
21. method according to claim 1, wherein, described data packet header is the application layer packet header.
22. method according to claim 1, wherein, described packet is be used to the voice data of controlling described radio source device or video data.
23. method according to claim 1, wherein, described packet sends by TCP/IP.
24. a wireless host device that is configured to send to radio source device user input data, described wireless host device comprises:
Storer, it stores instruction;
One or more processors, it is configured to carry out described instruction, and wherein, after carrying out described instruction, described one or more processors make:
Obtain user input data at described wireless host device place;
Generate the payload data of describing described user input data;
Generation comprises the packet of data packet header and described payload data;
Transmission unit, it is used for sending described packet to described radio source device.
25. wireless host device according to claim 24, wherein, described payload data comprises the input type field that identifies input type.
26. wireless host device according to claim 25, wherein, described input type is from by selecting the following group that forms: press mouse button, discharge mouse button, touch display, release display, rolling mouse cursor, touch, push button, discharge button, convergent-divergent, vertical scrolling, horizontal rolling and rotate display is mobile.
27. wireless host device according to claim 24, wherein, described payload data comprises the length field of the length that the sign input is described.
28. wireless host device according to claim 27, wherein, the described length that described input is described identifies take eight bit byte as unit.
29. wireless host device according to claim 24, wherein, described payload data comprises the description field be used to the details of describing described user input data.
30. wireless host device according to claim 24, wherein, described payload data comprises: the first input type field, the first length field, the first description field, the second input type field, the second length field and the second description field, the end of described the first description field of length value sign that wherein, comprises in described the first length field and the beginning of described the second input type field.
31. wireless host device according to claim 24, wherein, a plurality of pointer events of described payload data sign, and for each pointer event sign x coordinate and y coordinate corresponding with the coordinate of described pointer event nidus.
32. wireless host device according to claim 31, wherein, described x coordinate and y coordinate are based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
33. wireless host device according to claim 24, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
34. wireless host device according to claim 24, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
35. wireless host device according to claim 24, wherein, described payload data comprises x coordinate figure, y coordinate figure and to the indication of zoom factor.
36. wireless host device according to claim 24, wherein, described payload data comprises the indication to the amount of horizontal rolling.
37. wireless host device according to claim 36, wherein, the amount of described horizontal rolling is take pixel as unit, and is based on the monitor resolution of described radio source device.
38. wireless host device according to claim 24, wherein, described payload data comprises the indication to the amount of vertical scrolling.
39. described wireless host device according to claim 38, wherein, the amount of described vertical scrolling is take pixel as unit, and is based on the monitor resolution of described radio source device.
40. wireless host device according to claim 24, wherein, described payload data comprises the indication to the amount of rotation.
41. described wireless host device according to claim 40, wherein, the amount of described rotation is take radian as unit.
42. wireless host device according to claim 24, wherein, obtain described user input data and comprise: by the input equipment of described wireless host device, catch described user input data.
43. wireless host device according to claim 24 wherein, obtains described user input data and comprises: from another wireless host device, receive the user input data that forwards.
44. wireless host device according to claim 24, wherein, described data packet header is the application layer packet header.
45. wireless host device according to claim 24, wherein, described packet is be used to the voice data of controlling described radio source device or video data.
46. wireless host device according to claim 24, wherein, described packet sends by TCP/IP.
47. computer-readable recording medium of storing instruction, after described instruction is carried out by one or more processors, make described one or more processor carry out the method that sends user input data from wireless host device to radio source device, described method comprises:
Obtain user input data at described wireless host device place;
Generate the payload data of describing described user input data;
Generation comprises the packet of data packet header and described payload data;
Send described packet to described radio source device.
48. a wireless host device that is configured to send to radio source device user input data, described wireless host device comprises:
Be used for obtaining at described wireless host device place the module of user input data;
Be used for generating the module of the payload data of describing described user input data;
Be used for generating the module of the packet that comprises data packet header and described payload data;
Be used for sending to described radio source device the module of described packet.
49. a method that receives the input data at the radio source device place from wireless host device, described method comprises:
Receive packet from described wireless host device, wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input;
Described packet is resolved, to determine the input type value in the input type field in described payload data;
Based on described input type value, the described data of the details of describing described user input are processed.
50. described method according to claim 49, wherein, described input type is from by selecting the following group that forms: press mouse button, discharge mouse button, touch display, release display, rolling mouse cursor, touch, push button, discharge button, convergent-divergent, vertical scrolling, horizontal rolling and rotate display is mobile.
51. described method according to claim 49, wherein, described payload data comprises the length field of the length that the sign input is described.
52. 1 described method according to claim 5, wherein, the described length that described input is described identifies take eight bit byte as unit.
53. described method according to claim 49, wherein, described payload data comprises description field, and described description field comprises the described data of the described details of describing described user's input.
54. described method according to claim 49, wherein, described payload data comprises: the first input type field, the first length field, the first description field, the second input type field, the second length field and the second description field, the end of described the first description field of length value sign that wherein, comprises in described the first length field and the beginning of described the second input type field.
55. described method according to claim 49, wherein, a plurality of pointer events of described payload data sign, and for each pointer event sign x coordinate and y coordinate corresponding with the coordinate of described pointer event nidus.
56. 5 described methods according to claim 5, wherein, described x coordinate and y coordinate are based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
57. described method according to claim 49, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
58. described method according to claim 49, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
59. described method according to claim 49, wherein, described payload data comprises x coordinate figure, y coordinate figure and to the indication of zoom factor.
60. described method according to claim 49, wherein, described payload data comprises the indication to the amount of horizontal rolling.
61. 0 described method according to claim 6, wherein, the amount of described horizontal rolling is take pixel as unit, and is based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
62. described method according to claim 49, wherein, described payload data comprises the indication to the amount of vertical scrolling.
63. 2 described methods according to claim 6, wherein, the amount of described vertical scrolling is take pixel as unit, and is based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
64. described method according to claim 49, wherein, described payload data comprises the indication to the amount of rotation.
65. 4 described methods according to claim 6, wherein, the amount of described rotation is take radian as unit.
66. described method, wherein, obtain described user input data and comprise: by the input equipment of described wireless host device, catch described user input data according to claim 49.
67. described method, wherein, obtain described user input data and comprise: from another wireless host device, receive the user input data that forwards according to claim 49.
68. described method according to claim 49, wherein, described data packet header is the application layer packet header.
69. described method according to claim 49, wherein, described packet is be used to the voice data of controlling described radio source device or video data.
70. described method according to claim 49, wherein, described packet sends by TCP/IP.
71. a radio source device that is configured to receive from wireless host device user input data, described radio source device comprises:
Transmission unit, it is used for receiving packet from described wireless host device, and wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input;
Storer, it stores instruction;
One or more processors, it is configured to carry out described instruction, and wherein, after carrying out described instruction, described one or more processors make:
Described packet is resolved, to determine the input type value in the input type field in described payload data;
Based on described input type value, the described data of the details of describing described user input are processed.
72. 1 described radio source device according to claim 7, wherein, described input type is from by selecting the following group that forms: press mouse button, discharge mouse button, touch display, release display, rolling mouse cursor, touch, push button, discharge button, convergent-divergent, vertical scrolling, horizontal rolling and rotate display is mobile.
73. 1 described radio source device according to claim 7, wherein, described payload data comprises the length field of the length that the sign input is described.
74. 3 described radio source devices according to claim 7, wherein, the described length that described input is described identifies take eight bit byte as unit.
75. 1 described radio source device according to claim 7, wherein, described payload data comprises description field, and described description field comprises the described data of the described details of describing described user's input.
76. 1 described radio source device according to claim 7, wherein, described payload data comprises: the first input type field, the first length field, the first description field, the second input type field, the second length field and the second description field, the end of described the first description field of length value sign that wherein, comprises in described the first length field and the beginning of described the second input type field.
77. 1 described radio source device according to claim 7, wherein, a plurality of pointer events of described payload data sign, and for each pointer event sign x coordinate and y coordinate corresponding with the coordinate of described pointer event nidus.
78. 7 described radio source devices according to claim 7, wherein, described x coordinate and y coordinate are based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
79. 1 described radio source device according to claim 7, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
80. 1 described radio source device according to claim 7, wherein, described payload data comprises the ASCII character corresponding with the event of pushing button.
81. 1 described radio source device according to claim 7, wherein, described payload data comprises x coordinate figure, y coordinate figure and to the indication of zoom factor.
82. 1 described radio source device according to claim 7, wherein, described payload data comprises the indication to the amount of horizontal rolling.
83. 2 described radio source devices according to claim 8, wherein, the amount of described horizontal rolling is take pixel as unit, and is based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
84. 1 described radio source device according to claim 7, wherein, described payload data comprises the indication to the amount of vertical scrolling.
85. 4 described radio source devices according to claim 8, wherein, the amount of described vertical scrolling is take pixel as unit, and is based on the resolution of the negotiation of the video flowing between described wireless host device and described radio source device.
86. 1 described radio source device according to claim 7, wherein, described payload data comprises the indication to the amount of rotation.
87. 6 described radio source devices according to claim 8, wherein, the amount of described rotation is take radian as unit.
88. 1 described radio source device, wherein, obtain described user input data and comprise: by the input equipment of described wireless host device, catch described user input data according to claim 7.
89. 1 described radio source device, wherein, obtain described user input data and comprise: from another wireless host device, receive the user input data that forwards according to claim 7.
90. 1 described radio source device according to claim 7, wherein, described data packet header is the application layer packet header.
91. 1 described radio source device according to claim 7, wherein, described packet is be used to the voice data of controlling described radio source device or video data.
92. 1 described radio source device according to claim 7, wherein, described packet sends by TCP/IP.
93. a computer-readable recording medium of storing instruction, after described instruction is carried out by one or more processors, make described one or more processor carry out the method that receives user input data from wireless host device, described method comprises:
Receive packet from described wireless host device, wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input;
Described packet is resolved, to determine the input type value in the input type field in described payload data;
Based on described input type value, the described data of the details of describing described user input are processed.
94. one kind be configured to from wireless host device receive user input data radio source device, described radio source device comprises:
Be used for receiving from described wireless host device the module of packet, wherein, described packet comprises data packet header and payload data, and wherein, described payload data comprises the data of the details of describing user's input;
Be used for described packet is resolved, to determine the module of the input type value in the input type field in described payload data;
Be used for the module of the described data of the details of describing described user's input being processed based on described input type value.
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| US20130009873A1 (en) | 2013-01-10 |
| RU2571595C2 (en) | 2015-12-20 |
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| JP2016015150A (en) | 2016-01-28 |
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